/* ============================================================
   AXON RIDGE CAPITAL — site stylesheet
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #0c0d10;
  --bg-elev:    #14161b;
  --bg-card:    rgba(22,25,31,0.7);
  --border:     rgba(232,230,225,0.08);
  --border-hi:  rgba(232,230,225,0.18);
  --text:       #e8e6e1;
  --text-mute:  #9a9690;
  --text-dim:   #5f5c57;
  --accent:     #b8a577;
  --accent-hi:  #d4bf8e;
  --sage:       #7fb5a8;
  --warn:       #d4a574;
  --rust:       #c67b5c;
  --font-serif: "Cormorant Garamond", Georgia, serif;
  --font-sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:  "JetBrains Mono", "SF Mono", Menlo, monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
em { font-style: italic; }

/* ── NAV ───────────────────────────────────────────────── */
nav.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 56px; height: 72px;
  background: rgba(12,13,16,0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.logo {
  font-family: var(--font-serif);
  font-size: 22px; font-weight: 500;
  letter-spacing: 0.01em; color: var(--text);
}
.logo span { color: var(--accent); font-style: italic; }
.nav-links { display: flex; gap: 40px; align-items: center; }
.nav-links a {
  color: var(--text-mute);
  font-size: 13px; font-weight: 400;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}
.nav-links a:hover, .nav-links a.is-active { color: var(--text); }
.nav-links a.is-active { color: var(--accent); }
.nav-cta {
  padding: 8px 18px;
  border: 1px solid var(--border-hi);
  border-radius: 4px;
  font-size: 12px; letter-spacing: 0.06em;
  transition: all 0.2s ease;
}
.nav-cta:hover { border-color: var(--accent); color: var(--accent) !important; }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-hi);
  border-radius: 4px;
  background: transparent;
  color: var(--text);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle .bar {
  display: block;
  width: 18px;
  height: 1.5px;
  background: currentColor;
  margin: 3px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
body.nav-open { overflow: hidden; }

/* ── BUTTONS ───────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer; border: none;
  transition: all 0.2s ease;
}
.btn-primary { background: var(--accent); color: var(--bg); border-radius: 3px; }
.btn-primary:hover { background: var(--accent-hi); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); padding: 14px 4px; }
.btn-ghost::after { content: '→'; transition: transform 0.2s ease; }
.btn-ghost:hover { color: var(--accent); }
.btn-ghost:hover::after { transform: translateX(4px); }

/* ── TYPOGRAPHY ────────────────────────────────────────── */
.section-eyebrow {
  font-size: 11px; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent);
}
.section-eyebrow::before {
  content: '// ';
  font-family: var(--font-mono);
  color: var(--text-dim);
}
h1, h2, h3, h4 { color: var(--text); font-family: var(--font-serif); font-weight: 400; }
h1 em, h2 em, h3 em { font-style: italic; color: var(--accent); }

/* ── SHARED SECTIONS ──────────────────────────────────── */
.container { max-width: 1180px; margin: 0 auto; padding: 0 56px; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 32px; }

/* ── PAGE HEADER (research/arch index + detail) ───────── */
.page-header {
  padding: 160px 56px 80px;
  max-width: 1180px; margin: 0 auto;
  position: relative;
}
.page-header::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 20% 30%, rgba(184,165,119,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 70%, rgba(127,181,168,0.03) 0%, transparent 60%);
  pointer-events: none;
}
.page-header > * { position: relative; }
.page-header .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px; color: var(--text-dim);
  margin-bottom: 32px;
  letter-spacing: 0.04em;
}
.page-header .breadcrumb a { color: var(--text-mute); transition: color 0.2s; }
.page-header .breadcrumb a:hover { color: var(--accent); }
.page-header .breadcrumb .sep { margin: 0 10px; color: var(--text-dim); }

.page-header h1 {
  font-size: clamp(40px, 5.5vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  max-width: 18ch;
  margin-bottom: 24px;
}
.page-header .lead {
  font-size: 18px;
  color: var(--text-mute);
  line-height: 1.75;
  font-weight: 300;
  max-width: 64ch;
}
.page-header .meta-row {
  display: flex; gap: 28px; flex-wrap: wrap;
  margin-top: 36px; padding-top: 28px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 12px; color: var(--text-dim);
}
.page-header .meta-row strong { color: var(--text); font-weight: 500; }

/* ── ARTICLE BODY ─────────────────────────────────────── */
article.paper {
  padding: 64px 56px 120px;
  max-width: 820px;
  margin: 0 auto;
}
article.paper h2 {
  font-size: clamp(28px, 3.2vw, 40px);
  margin: 64px 0 20px;
  letter-spacing: -0.015em;
  line-height: 1.15;
}
article.paper h3 {
  font-size: 22px;
  font-weight: 500;
  margin: 40px 0 14px;
  line-height: 1.3;
}
article.paper p {
  font-size: 17px;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 22px;
  font-weight: 300;
}
article.paper p strong { color: var(--text); font-weight: 600; }
article.paper p em { color: var(--accent); font-style: italic; }

article.paper ul, article.paper ol {
  padding-left: 28px;
  margin-bottom: 22px;
}
article.paper li {
  font-size: 17px;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 8px;
  font-weight: 300;
}
article.paper li::marker { color: var(--accent); }

article.paper blockquote {
  border-left: 2px solid var(--accent);
  padding: 4px 0 4px 24px;
  margin: 32px 0;
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.4;
  color: var(--text-mute);
  font-style: italic;
}

article.paper code, code.inline {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--sage);
  background: rgba(127,181,168,0.07);
  padding: 1px 6px;
  border-radius: 2px;
}

article.paper pre {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 20px 24px;
  overflow-x: auto;
  margin: 24px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-mute);
  line-height: 1.6;
}

article.paper a.cite-link {
  color: var(--sage);
  border-bottom: 1px dotted var(--sage);
  transition: color 0.2s;
}
article.paper a.cite-link:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ── CHART CARD ───────────────────────────────────────── */
.chart-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 32px;
  margin: 40px 0;
}
.chart-card .chart-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 4px;
}
.chart-card .chart-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}
.chart-card .chart-host {
  position: relative;
  height: 360px;
  width: 100%;
}
.chart-card.tall .chart-host { height: 480px; }
.chart-card .chart-caption {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-mute);
  line-height: 1.6;
  font-style: italic;
}

/* ── INFO CALLOUT ─────────────────────────────────────── */
.callout {
  border: 1px solid var(--border-hi);
  border-left: 3px solid var(--accent);
  background: rgba(184,165,119,0.04);
  padding: 24px 28px;
  margin: 32px 0;
  border-radius: 0 4px 4px 0;
}
.callout-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.callout p { font-size: 15px; line-height: 1.65; color: var(--text-mute); }
.callout p:last-child { margin-bottom: 0; }

.callout.warn { border-left-color: var(--warn); background: rgba(212,165,116,0.04); }
.callout.warn .callout-label { color: var(--warn); }
.callout.sage { border-left-color: var(--sage); background: rgba(127,181,168,0.04); }
.callout.sage .callout-label { color: var(--sage); }

/* ── KEY NUMBERS GRID ─────────────────────────────────── */
.kpi-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  margin: 32px 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.kpi {
  background: var(--bg-elev);
  padding: 28px 24px;
  text-align: left;
}
.kpi-val {
  font-family: var(--font-serif);
  font-size: 36px;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 4px;
  line-height: 1;
}
.kpi-val em { color: var(--accent); font-style: italic; }
.kpi-val.pos { color: var(--sage); }
.kpi-val.neg { color: var(--rust); }
.kpi-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── REFERENCES ───────────────────────────────────────── */
.references {
  border-top: 1px solid var(--border);
  padding-top: 32px;
  margin-top: 64px;
}
.references h3 {
  font-size: 16px;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-mute);
  font-weight: 500;
  margin-bottom: 20px;
}
.references ol {
  padding-left: 28px;
  margin: 0;
}
.references li {
  font-size: 14px !important;
  color: var(--text-mute) !important;
  line-height: 1.6 !important;
  margin-bottom: 10px !important;
}
.references li a { color: var(--sage); }

/* ── PAPER FOOTER ─────────────────────────────────────── */
.paper-footer {
  border-top: 1px solid var(--border);
  margin-top: 64px;
  padding-top: 32px;
  display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}
.paper-footer a { color: var(--text-mute); transition: color 0.2s; }
.paper-footer a:hover { color: var(--accent); }

/* ── CARD LIST (papers index, arch index) ─────────────── */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.card-row {
  display: grid;
  grid-template-columns: 96px 1.2fr 2fr 140px;
  gap: 40px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
  cursor: pointer;
  transition: background 0.2s ease;
  text-decoration: none;
  color: inherit;
}
.card-row:last-child { border-bottom: none; }
.card-row:hover { background: rgba(184,165,119,0.025); }
.card-row .card-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  padding-top: 8px;
  letter-spacing: 0.04em;
}
.card-row .card-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.card-row h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--text);
}
.card-row h3 em { color: var(--accent); font-style: italic; }
.card-row p {
  font-size: 14.5px;
  color: var(--text-mute);
  line-height: 1.65;
  padding-top: 8px;
}
.card-row .card-arrow {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  padding-top: 8px;
  letter-spacing: 0.04em;
  transition: color 0.2s ease, transform 0.2s ease;
}
.card-row:hover .card-arrow { color: var(--accent); transform: translateX(4px); }

.card-pending {
  opacity: 0.55;
  cursor: default;
  pointer-events: none;
  border-left: 2px solid var(--warn);
}
.card-pending .card-tag { color: var(--warn); }

/* ── ARCH GRID ───────────────────────────────────────── */
.arch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.arch-card {
  background: var(--bg);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 26px;
  display: flex; flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s ease;
  cursor: pointer;
  position: relative;
  min-height: 230px;
}
.arch-card:hover { background: rgba(184,165,119,0.04); }
.arch-card .arch-family {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.arch-card .arch-rank {
  position: absolute; top: 28px; right: 26px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
}
.arch-card h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 10px;
  line-height: 1.2;
}
.arch-card p {
  font-size: 13.5px;
  color: var(--text-mute);
  line-height: 1.55;
  flex: 1;
}
.arch-card .arch-stat {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
}
.arch-card .arch-stat .k { color: var(--text-dim); letter-spacing: 0.04em; }
.arch-card .arch-stat .v { color: var(--sage); }
.arch-card .arch-stat .v.neg { color: var(--rust); }
.arch-card .arch-stat .v.zero { color: var(--text-mute); }

/* ── ARCH DETAIL PAGE ─────────────────────────────────── */
.arch-detail {
  padding: 0 56px 120px;
  max-width: 1180px; margin: 0 auto;
}
.arch-detail-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  align-items: start;
}
.arch-prose h2 {
  font-size: 26px;
  margin: 48px 0 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.arch-prose h2:first-child { margin-top: 0; }
.arch-prose p {
  font-size: 16px;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 18px;
  font-weight: 300;
}
.arch-prose ul { padding-left: 24px; margin-bottom: 18px; }
.arch-prose li {
  font-size: 15px;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 6px;
  font-weight: 300;
}
.arch-prose li::marker { color: var(--accent); }
.arch-prose strong { color: var(--text); font-weight: 600; }

.arch-sidebar {
  position: sticky; top: 96px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px;
}
.arch-sidebar .arch-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.arch-sidebar .arch-val {
  font-size: 14px;
  color: var(--text);
  margin-bottom: 22px;
  font-family: var(--font-mono);
  line-height: 1.5;
}
.arch-sidebar .arch-val.serif {
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.2;
  color: var(--accent);
}
.arch-sidebar .arch-val.pos { color: var(--sage); }
.arch-sidebar .arch-val.neg { color: var(--rust); }
.arch-sidebar hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 18px 0;
}

/* SVG diagram container */
.diagram {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 28px;
  margin: 24px 0 40px;
}
.diagram svg { display: block; width: 100%; height: auto; }
.diagram .diag-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

/* Pros / Cons two-column */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 32px 0;
}
.pc-col {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 24px;
}
.pc-col.pros { border-left: 3px solid var(--sage); }
.pc-col.cons { border-left: 3px solid var(--warn); }
.pc-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 500;
}
.pc-col.pros h4 { color: var(--sage); }
.pc-col.cons h4 { color: var(--warn); }
.pc-col ul { padding-left: 20px; margin: 0; }
.pc-col li {
  font-size: 14px;
  color: var(--text-mute);
  line-height: 1.6;
  margin-bottom: 8px;
  font-weight: 300;
}

/* ── FOOTER ──────────────────────────────────────────── */
footer.site-footer {
  padding: 40px 56px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  color: var(--text-dim); font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  margin-top: 80px;
}
footer.site-footer a { color: var(--text-dim); transition: color 0.2s; }
footer.site-footer a:hover { color: var(--accent); }
.footer-links { display: flex; gap: 32px; }

/* ── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .arch-grid { grid-template-columns: repeat(2, 1fr); }
  .arch-detail-grid { grid-template-columns: 1fr; }
  .arch-sidebar { position: static; }
}
@media (max-width: 760px) {
  nav.site-nav { padding: 0 20px; height: 64px; }
  .nav-links {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }
  .site-nav.has-nav-toggle .nav-toggle { display: inline-flex; }
  .site-nav.has-nav-toggle .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 20px 20px;
    background: rgba(12,13,16,0.98);
    border-bottom: 1px solid var(--border);
  }
  .site-nav.has-nav-toggle.nav-open .nav-links { display: flex; }
  .site-nav.has-nav-toggle .nav-links a {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    color: var(--text);
  }
  .site-nav.has-nav-toggle .nav-links a:last-child { border-bottom: none; }
  .site-nav.has-nav-toggle .nav-links .nav-cta {
    margin-top: 10px;
    text-align: center;
    border-bottom: none;
  }
  .site-nav.has-nav-toggle.nav-open .nav-toggle .bar:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
  .site-nav.has-nav-toggle.nav-open .nav-toggle .bar:nth-child(2) { opacity: 0; }
  .site-nav.has-nav-toggle.nav-open .nav-toggle .bar:nth-child(3) { transform: translateY(-4.5px) rotate(-45deg); }
  .container, .page-header { padding-left: 20px; padding-right: 20px; }
  .page-header { padding-top: 110px; padding-bottom: 50px; }
  article.paper { padding: 32px 20px 80px; }
  .arch-detail { padding: 0 20px 80px; }
  .card-row { grid-template-columns: 60px 1fr; gap: 16px; }
  .card-row p { grid-column: 1 / -1; padding-top: 0; }
  .card-row .card-arrow { display: none; }
  .arch-grid { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .pros-cons { grid-template-columns: 1fr; }
  footer.site-footer { flex-direction: column; gap: 16px; padding: 32px 20px; }
}

/* ── DATA TABLE (reusable) ────────────────────────────── */
.data-table-wrap { overflow-x: auto; margin: 8px 0 4px; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  font-family: var(--font-mono);
}
.data-table th {
  text-align: right;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 10.5px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-hi);
  white-space: nowrap;
}
.data-table th:first-child, .data-table td:first-child { text-align: left; }
.data-table td {
  text-align: right;
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-mute);
  white-space: nowrap;
}
.data-table tbody tr:hover { background: rgba(184,165,119,0.03); }
.data-table td strong { color: var(--text); font-weight: 600; }
.data-table td.pos { color: var(--sage); }
.data-table td.neg { color: var(--rust); }
.data-table .rank-cell { color: var(--accent); }

article.paper pre .cmt { color: var(--sage); }